package sctu.edu.java.year2016.team01.zhuming.day20160521.phacter3_3;

/**  求出矩形的面积
 * Created by Administrator on 2016/5/23.
 */
public class JuXingMianJi {
    public static void main(String[] args){
        double a=38.9;
        double b=27.2;
        double sum =a*b;
        System.out.println("矩形的面积是"+sum);

    }
}
